Is there a PHP equivalent function to the Python os.path.normpath()?
Is there a PHP equivalen开发者_Go百科t function to the Python os.path.normpath()
?
Here is my 1:1 rewrite of normpath() method from Python's posixpath.py in PHP:
function normpath($path)
{
if (empty($path))
return '.';
if (strpos($path, '/') === 0)
$initial_slashes = true;
else
$initial_slashes = false;
if (
($initial_slashes) &&
(strpos($path, '//') === 0) &&
(strpos($path, '///') === false)
)
$initial_slashes = 2;
$initial_slashes = (int) $initial_slashes;
$comps = explode('/', $path);
$new_comps = array();
foreach ($comps as $comp)
{
if (in_array($comp, array('', '.')))
continue;
if (
($comp != '..') ||
(!$initial_slashes && !$new_comps) ||
($new_comps && (end($new_comps) == '..'))
)
array_push($new_comps, $comp);
elseif ($new_comps)
array_pop($new_comps);
}
$comps = $new_comps;
$path = implode('/', $comps);
if ($initial_slashes)
$path = str_repeat('/', $initial_slashes) . $path;
if ($path)
return $path;
else
return '.';
}
This will work exactly the same as os.path.normpath() in Python
Yes, the realpath
command will return a normalized path. It's similar to a combined version of Python's os.path.normpath
and os.path.realpath
.
However, it will also resolve symbolic links. I'm not sure what you'd do if you didn't want that behavior.
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